well what i said was just an example that you might like to drop in your answer, assuming the ask that question.
Recently produced elements, it all depends on what your definition of recent is, you could use plutonium or neptuneium, or any other trans uranic element. But if your really stuck...

During a black out in canada and the US begining on 14 aug 2003 the entire electrical grid was shut down. During the time that there was no burning of coal in powerstations, the atmosphere became much clearer and cleaner as a result.
thats a pritty specific example and i rekon it would help to...

The 7 mark question was easy. Mention things like increased computer power allows for adaptive optics.
Techniques such as superimposition to bring greater detail in colour to the stars.
Technology such as the space shuttle to put the Hubbel telescope into space.

I dont think Cu becomes a super conductor at -50 deg C, at -50 kelven would be closer to its critical frequency.
But i said that the magnet would take a greater amount of time to come to rest (land on the Cu brick) due to increased induced current.

Dragonforce have some insane guitar work. Well worth a listn to.
Metallica
Arch Enemy
In Flames
Mastodon
Maralyn Manson
Tool
Korn
Slipknot
The Haunted
Slayer
Strapping Young Lad
For others get the full metal racket program from the triple J website.

I really like films with a strong message and a different style. The characters were believable. 'Tis a good film.
Comparing it to Reservoir Dogs is a reasonable comparison, however the actual directing of the two films is quite different, Elephant has fewer cuts and a more life like viewpoint...